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Questions tagged [fitness]

A fitness functions judges how good a solution of a problem is.

A fitness function is used to determine how well a solution fits a given problem. It is used in s.

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Fitness Proportionate Selection when some fitnesses are 0

I have a question about what to do with the fitnesses (fitness'?) that are 0 when getting the fitness proportionate probabilities. Should the container for the members be sorted by highest fitness first, then do code similar to this: for all members…
Nick D
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Generate probabilities list for fitness proportionate selection (roulette wheel) in genetic algorithms

firs of all I apologize if my approach is too dumb or simplistic, I am an economist trying very hard to get into programming, therefore I lack some specific skills. Anyways, I have the following code: population = [[[0, 0, 1, 0, 1, 1, 0, 1, 1, 1,…
vferraz
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Implementing the Bayes' theorem in a fitness function

In an evolutionary programming project I'm working on I thought it could be a useful idea to use the formula in Bayes' theorem. Although I'm not totally sure what that would look like. So the programs that are evolving are attempting to predict the…
HedgepigMatt
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Issue in solving XOR using neural network and genetic algorithm

I'm trying to solve XOR problem using neural network. For training I'm using genetic algorithm. But after a certain number of generations (200), the error stuck in 1. And the outputs are correct except for 1 xor 0 where the output is 0 instead of 1…
user1931907
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Java Fitness Function - Scales

I have a fitness function as part of a lab and wish to apply it to a set of 'weights' (ArrayList weights). I have created the array and stored some values in it. I have created random binary strings (which have an 'x' at the end in order to generate…
Stefanos
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Weights for violations in a fitness function

I'm working on my Final year project where I'm developing a Genetic Algorithm for timetable optimization. It's going fairly well at the minute as I am producing random chromosome's representing my classes timetable. I have my function fitness…
Melo1991
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YOLOv5: does best.pt control for overfitting?

After each YOLOv5 training, two model files are saved: last.pt and best.pt. I'm aware that: last.pt is the latest saved checkpoint of the model. This will be updated after each epoch. best.pt is the checkpoint that has the best validation loss so…
Peter
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How do i scale my fitness values? (using PyGAD)

As the title says, i want to use fitness scalling methods, such as sigma scalling, for i'm having problems with premature genetic conversion in non-optimal solutions. I know that PyGAD has a on_fitness method that is called after the fitness values…
yna ponte
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How to access the heart rate sensor on my Fitness Tracker?

I have an E66 fitness tracker and health watch that has a real time heart rate and temperature sensor. The watch only records heart rate data at intervals from 10 mins and upwards with the default Android app. However ive discovered that the heart…
Chaven Yenketswamy
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Continuous Heart Rate Monitoring from Google Fit App

I'm developing an app for Android (only for smartphone) and I want to monitor continuous heart rate using googleApiClient (Google Fit) from smartwatch (Polar Unite fitness band). What I have done to find data source: /** Finds available data sources…
Ankit
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how to find Particle swarm optimization (PSO) fitness function in R programming?

I'm new to Machine Learning, so kindly ask for more details if required or do point me towards the resources I should read to have a better understanding. Lets say I have a data set consisting of these columns "A" "B" "C" "D" "Target" Target column…
rahul shah
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jenetics: Fitness: Assign an object to the determination of fitness & complex fitness result type

I am using an IntegerChromosome which is an encoding for the actual problem. To determine the fitness I have to decode from the IntegerChromosome, or more the IntegerGene values, to the actual base type for the optimization problem. So, e.g.…
raedma
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Difference between DEAP fitness and fitness.value

For the following code, why does printing out ind.fitness and printing out ind.fitness.values returns the same exact output. Does it mean the method is the same or is there any difference? for ind, fit in zip(pop, fitnesses): #print(ind,…
MIT
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React native react-native-fitness

For some reason Fitness.requestPermissions(permissions).then((authorized) => { console.log(authorized) } always returns false. Also in documentation it says it permissions should be: const permissions = [ { kind: Fitness.PermissionKind.Step,…
user2626972
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Solve crossword puzzle with genetic algorithm, fitness, mutation

I'm trying hard to do a lab for school. I'm trying to solve a crossword puzzle using genetic algorithms. Problem is that is not very good (it is still too random) I will try to give a brief explanation of how my program is implemented now: If i have…
AdrianS
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